<template>
  <div>
    <!-- 面包屑导航区 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">
        首页
      </el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片区域 -->
    <el-card>
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input
            placeholder="请输入内容"
            v-model="queryInfo.query"
            clearable
            @clear="getGoodList"
          >
            <el-button
              slot="append"
              icon="el-icon-search"
              @click="getGoodList"
            />
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDoods">
            添加商品
          </el-button>
        </el-col>
      </el-row>
      <!-- 表格区域 -->
      <el-table
        :data="goodsList"
        style="width: 100%"
        border
        stripe
      >
        <el-table-column
          type="index"
          label="#"
        />
        <el-table-column
          prop="goods_name"
          label="商品名称"
        />
        <el-table-column
          prop="goods_price"
          label="商品价格(元)"
          width="100px"
        />
        <el-table-column
          prop="goods_weight"
          label="商品重量(克)"
          width="100px"
        />
        <el-table-column
          prop="add_time"
          label="创建时间"
          width="150px"
        >
          <template slot-scope="scope">
            {{ scope.row.add_time | dateFormat }}
          </template>
        </el-table-column>
        <el-table-column
          label="操作"
          width="120px"
        >
          <template slot-scope="scope">
            <el-button
              type="primary"
              icon="el-icon-edit"
              size="mini"
            />
            <el-button
              type="danger"
              icon="el-icon-delete"
              size="mini"
              @click="removeList(scope.row)"
            />
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[5, 10, 15, 20]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      />
    </el-card>
  </div>
</template>
<script>
export default {
  data() {
    return {
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10
      },
      goodsList: [],
      total: 0
    }
  },
  created() {
    this.getGoodList()
  },
  methods: {
    async getGoodList() {
      const { data: res } = await this.$http.get('goods', {
        params: this.queryInfo
      })
      if (res.meta.status !== 200) {
        return this.$message.error('获取数据失败')
      }
      this.goodsList = res.data.goods
      this.total = res.data.total
      console.log(res)
    },
    // 改变每页显示多少时触发
    handleSizeChange(newVal) {
      this.queryInfo.pagesize = newVal
      this.getGoodList()
    },
    // 改变当前第几页触发
    handleCurrentChange(newVal) {
      this.queryInfo.pagenum = newVal
      this.getGoodList()
    },
    // 删除商品列表
    async removeList(row) {
      const confirmResult = await this.$confirm('此操作将永久删除该文件, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err)
      if (confirmResult !== 'confirm') {
        return this.$message.info('取消了删除')
      }
      const { data: res } = await this.$http.delete('goods/' + row.goods_id)
      if (res.meta.status !== 200) {
        return this.$message.error('删除失败')
      }
      this.getGoodList()
      this.$message.success(res.meta.msg)
    },
    // 添加商品按钮
    addDoods() {
      // 跳转到 /goods/add 页
      this.$router.push('/goods/add')
    }
  }
}
</script>
<style lang="less" scoped></style>
